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import maplibregl from "maplibre-gl";
import "maplibre-gl/dist/maplibre-gl.css";
import {
forwardRef,
useEffect,
useImperativeHandle,
useMemo,
useRef,
useState,
} from "react";
import Map, {
GeolocateControl,
NavigationControl,
type MapLayerMouseEvent,
type MapRef,
type StyleSpecification,
} from "react-map-gl/maplibre";
import { useTranslation } from "react-i18next";
import { useLocation } from "react-router";
import { useApp } from "~/AppContext";
import { APP_CONSTANTS } from "~/config/constants";
import { DEFAULT_STYLE, loadStyle } from "~/maps/styleloader";
interface AppMapProps {
children?: React.ReactNode;
showTraffic?: boolean;
showCameras?: boolean;
syncState?: boolean;
interactiveLayerIds?: string[];
onClick?: (e: MapLayerMouseEvent) => void;
initialViewState?: {
latitude: number;
longitude: number;
zoom: number;
};
style?: React.CSSProperties;
maxBounds?: [number, number, number, number] | null;
attributionControl?: boolean | any;
showNavigation?: boolean;
showGeolocate?: boolean;
onMove?: (e: any) => void;
onDragStart?: () => void;
onZoomStart?: () => void;
onRotateStart?: () => void;
onPitchStart?: () => void;
onLoad?: () => void;
onContextMenu?: (e: MapLayerMouseEvent) => void;
}
export const AppMap = forwardRef<MapRef, AppMapProps>(
(
{
children,
showTraffic: propShowTraffic,
showCameras: propShowCameras,
syncState = false,
interactiveLayerIds,
onClick,
initialViewState,
style,
maxBounds = [
(APP_CONSTANTS.bounds.sw as [number, number])[0],
(APP_CONSTANTS.bounds.sw as [number, number])[1],
(APP_CONSTANTS.bounds.ne as [number, number])[0],
(APP_CONSTANTS.bounds.ne as [number, number])[1],
],
attributionControl = false,
showNavigation = false,
showGeolocate = false,
onMove,
onDragStart,
onZoomStart,
onRotateStart,
onPitchStart,
onLoad,
onContextMenu,
},
ref
) => {
const {
theme,
mapState,
updateMapState,
setUserLocation,
setLocationPermission,
showTraffic: settingsShowTraffic,
showCameras: settingsShowCameras,
mapPositionMode,
} = useApp();
const { i18n } = useTranslation();
const mapRef = useRef<MapRef>(null);
const [mapStyle, setMapStyle] = useState<StyleSpecification>(DEFAULT_STYLE);
const location = useLocation();
const path = location.pathname;
// Use prop if provided, otherwise use settings
const showTraffic =
propShowTraffic !== undefined ? propShowTraffic : settingsShowTraffic;
const showCameras =
propShowCameras !== undefined ? propShowCameras : settingsShowCameras;
useImperativeHandle(ref, () => mapRef.current!);
useEffect(() => {
loadStyle("openfreemap", theme, {
includeTraffic: showTraffic,
language: i18n.language,
})
.then((style) => setMapStyle(style))
.catch((error) => console.error("Failed to load map style:", error));
}, [theme, showTraffic, i18n.language]);
useEffect(() => {
const handleMapChange = () => {
if (!syncState || !mapRef.current) return;
const map = mapRef.current.getMap();
if (!map) return;
const center = map.getCenter();
const zoom = map.getZoom();
updateMapState([center.lat, center.lng], zoom, path);
};
const handleStyleImageMissing = (e: any) => {
if (!mapRef.current) return;
const map = mapRef.current.getMap();
if (!map || map.hasImage(e.id)) return;
if (e.id.startsWith("stop-")) {
console.warn(`Missing icon image: ${e.id}`);
}
map.addImage(e.id, {
width: 1,
height: 1,
data: new Uint8Array(4),
});
};
if (mapRef.current) {
const map = mapRef.current.getMap();
if (map) {
map.on("moveend", handleMapChange);
map.on("styleimagemissing", handleStyleImageMissing);
}
}
return () => {
if (mapRef.current) {
const map = mapRef.current.getMap();
if (map) {
map.off("moveend", handleMapChange);
map.off("styleimagemissing", handleStyleImageMissing);
}
}
};
}, [mapPositionMode, mapRef.current, updateMapState]);
const getLatitude = (center: any) =>
Array.isArray(center) ? center[0] : center.lat;
const getLongitude = (center: any) =>
Array.isArray(center) ? center[1] : center.lng;
const viewState = useMemo(() => {
if (initialViewState) return initialViewState;
// Prefer the last saved position for this path so navigation doesn't
// reset the map viewport. GPS mode is only used as a fallback when the
// user has never visited this path before.
const pathState = mapState.paths[path];
if (pathState) {
return {
latitude: getLatitude(pathState.center),
longitude: getLongitude(pathState.center),
zoom: pathState.zoom,
};
}
if (mapPositionMode === "gps" && mapState.userLocation) {
return {
latitude: getLatitude(mapState.userLocation),
longitude: getLongitude(mapState.userLocation),
zoom: 16,
};
}
return {
latitude: getLatitude(APP_CONSTANTS.defaultCenter),
longitude: getLongitude(APP_CONSTANTS.defaultCenter),
zoom: APP_CONSTANTS.defaultZoom,
};
}, [initialViewState, mapPositionMode, mapState, path]);
return (
<Map
ref={mapRef}
mapLib={maplibregl}
mapStyle={mapStyle}
style={{ width: "100%", height: "100%", ...style }}
initialViewState={viewState}
maxBounds={maxBounds || undefined}
attributionControl={attributionControl}
interactiveLayerIds={interactiveLayerIds}
onClick={onClick}
onMove={onMove}
onDragStart={onDragStart}
onZoomStart={onZoomStart}
onRotateStart={onRotateStart}
onPitchStart={onPitchStart}
onLoad={onLoad}
onContextMenu={onContextMenu}
>
{showNavigation && <NavigationControl position="bottom-right" />}
{showGeolocate && (
<GeolocateControl
position="bottom-right"
positionOptions={{ enableHighAccuracy: false }}
onGeolocate={(e) => {
const { latitude, longitude } = e.coords;
setUserLocation([latitude, longitude]);
setLocationPermission(true);
}}
/>
)}
{children}
</Map>
);
}
);
AppMap.displayName = "AppMap";
|
